// native radiobuttons return DLGC_RADIOBUTTON here and for any
// wxWindow class which overrides WM_GETDLGCODE processing to
// do it as well, win would be already non NULL
if ( ::SendMessage(hwnd, WM_GETDLGCODE, 0, 0) & DLGC_RADIOBUTTON )
{
// native radiobuttons return DLGC_RADIOBUTTON here and for any
// wxWindow class which overrides WM_GETDLGCODE processing to
// do it as well, win would be already non NULL
if ( ::SendMessage(hwnd, WM_GETDLGCODE, 0, 0) & DLGC_RADIOBUTTON )
{